16. 

Which of the following is used when a company goes outside its organization to develop a new system?

A. data flow diagram
B. systems flowchart
C. project dictionary
D. request for proposal
E. Norte of the above

17. 

Which of the following is not a characteristic of a system

A. operates for some purpose
B. has homogeneous components
C. has interacting components
D. operates within a boundary
E. None of the above

18. 

Which of the following is not considered a tool at the system Design phase?

A. Data-Flow Diagram
B. Decision Table
C. Pie chart
D. System Flowchart
E. None of the above

19. 

Which of the following is a graphic representation of the modules in the System and the interconnection between them

A. Pie chart
B. Flow chart
C. Structural chart
D. System chart
E. None of the above

20. 

A group of related fields, is known as

A. tuple
B. schema
C. records
D. file
E. None of the above